feat: add asset preferences, video research, and Remotion ad assets

- Add thumbs-down feedback modal and preference API endpoint
- Add AI UGC video platforms research doc
- Add ReflectAd Remotion composition with public flow assets
- Add gemini-ad-designer and poster-ad-designer pipeline skills
- Add research_reflect_v1.1 pipeline script

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

scripts/setup.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+set -e
+
+echo "Starting Marketing Command Center..."
+echo ""
+
+# Start all services
+docker compose up -d
+
+echo "Waiting for services to start..."
+sleep 5
+
+# Set up database
+docker compose exec app npx prisma db push
+docker compose exec app npx prisma db seed
+
+echo ""
+echo "========================================="
+echo "  Marketing Command Center is ready!"
+echo "========================================="
+echo ""
+echo "  Dashboard: http://localhost:3000"
+echo "  Postiz:    http://localhost:5000"
+echo ""
+echo "  Login with your ADMIN_EMAIL / ADMIN_PASSWORD"
+echo "  from your .env file."
+echo ""
+echo "  Next steps:"
+echo "  1. Connect your Instagram + TikTok accounts in Postiz"
+echo "  2. Create your first campaign in the dashboard"
+echo ""